iVS-1 Probiotic Intervention Targeting Biological Aging in Midlife Adults

Aging is associated with progressive physiological changes involving inflammation, cellular senescence, mitochondrial function, and alterations in the gut microbiome. Interventions targeting these biological processes may influence age-related health outcomes. The gut microbiome plays a central and modifiable role, influencing metabolic health, inflammation, neurocognitive outcomes, and systemic aging processes.

Reductions in Bifidobacterium adolescentis have been observed with aging and have been associated with metabolic and inflammatory changes. Preliminary studies suggest that supplementation with this species may affect biological pathways relevant to aging.

This study is a randomized, double-blind, placebo-controlled trial designed to evaluate the effects of Bifidobacterium adolescentis (iVS-1) supplementation in adults aged 40-75 years. Participants will be randomized to receive iVS-1 (≥8 billion CFU per capsule) or placebo once daily for 150 days. Blood- and stool-based assessments and questionnaires about cognition, sleep quality, and quality of life will be collected at baseline, mid-intervention, and end of study.

Changes in these measures will be used to assess the relationship between Bifidobacterium adolescentis iVS-1 supplementation and biological aging markers, metabolic health, and functional health outcomes.